// function called if wwads is blocked
function ABDetected() {
  const wwads = document.getElementsByClassName("wwads");
  if (wwads.length === 0) return;
  if (!wwads[0].classList.contains("wwads-cn")) return;
  wwads[0].classList.remove("wwads-cn");
  wwads[0].insertAdjacentHTML(
    "beforeend",
    `<style>
.wwads-horizontal,.wwads-vertical{padding:5px;min-height:120px;margin-top:20px;box-sizing:border-box;border-radius:3px;font-family:sans-serif;display:flex;min-width:150px;position:relative;overflow:hidden;}
.wwads-horizontal{flex-wrap:wrap;justify-content:center}
.wwads-vertical{flex-direction:column;align-items:center;padding-bottom:32px}
.wwads-horizontal a,.wwads-vertical a{text-decoration:none}
.wwads-horizontal .wwads-img,.wwads-vertical .wwads-img{margin:5px}
.wwads-horizontal .wwads-content,.wwads-vertical .wwads-content{margin:5px}
.wwads-horizontal .wwads-content{flex:130px}
.wwads-vertical .wwads-content{margin-top:10px}
.wwads-horizontal .wwads-text,.wwads-content .wwads-text{font-size:14px;line-height:1.4;-webkit-font-smoothing:antialiased}
.wwads-horizontal .wwads-poweredby,.wwads-vertical .wwads-poweredby{display:block;font-size:11px;color:#a6b7bf;margin-top:1em}
.wwads-vertical .wwads-poweredby{position:absolute;left:10px;bottom:10px}
.wwads-horizontal .wwads-poweredby span,.wwads-vertical .wwads-poweredby span{transition:all 0.2s ease-in-out;margin-left:-1em}
.wwads-horizontal .wwads-poweredby span:first-child,.wwads-vertical .wwads-poweredby span:first-child{opacity:0}
.wwads-horizontal:hover .wwads-poweredby span,.wwads-vertical:hover .wwads-poweredby span{opacity:1;margin-left:0}
.wwads-horizontal .wwads-hide,.wwads-vertical .wwads-hide{position:absolute;right:-23px;bottom:-23px;width:46px;height:46px;border-radius:23px;transition:all 0.3s ease-in-out;cursor:pointer;}
.wwads-horizontal .wwads-hide:hover,.wwads-vertical .wwads-hide:hover{background:rgb(0 0 0 /0.05)}
.wwads-horizontal .wwads-hide svg,.wwads-vertical .wwads-hide svg{position:absolute;left:10px;top:10px;fill:#a6b7bf}
.wwads-horizontal .wwads-hide:hover svg,.wwads-vertical .wwads-hide:hover svg{fill:#3E4546}
      </style>
      <a href='https://wwads.cn/page/whitelist-wwads' class='wwads-img' target='_blank' rel='nofollow'>
      <img src='https://creatives-1301677708.file.myqcloud.com/images/placeholder/wwads-friendly-ads.png' width='130'>
      </a>
      <div class='wwads-content'>
      <a href='https://wwads.cn/page/whitelist-wwads' class='wwads-text' target='_blank' rel='nofollow'>为了支持AList更好的发展，请将我们的网站加入广告拦截器的白名单，感谢您的支持！</a>
      <a href='https://wwads.cn/page/end-user-privacy' class='wwads-poweredby' title='万维广告 ～ 让广告更优雅，且有用' target='_blank'>
      <span>万维</span><span>广告</span>
      </a></div><a class='wwads-hide' onclick='parentNode.remove()' title='隐藏广告'><svg xmlns='http://www.w3.org/2000/svg' width='6' height='7'><path d='M.879.672L3 2.793 5.121.672a.5.5 0 11.707.707L3.708 3.5l2.12 2.121a.5.5 0 11-.707.707l-2.12-2.12-2.122 2.12a.5.5 0 11-.707-.707l2.121-2.12L.172 1.378A.5.5 0 01.879.672z'></path></svg></a>`
  );
}

//check document ready
function docReady(t) {
  "complete" === document.readyState || "interactive" === document.readyState
    ? setTimeout(t, 1)
    : document.addEventListener("DOMContentLoaded", t);
}

//check if wwads' fire function was blocked after document is ready with 3s timeout (waiting the ad loading)
docReady(function () {
  setInterval(function () {
    if (window._AdBlockInit === undefined) {
      ABDetected();
    }
  }, 2000);
});
